Books Books 21 - 30 of 95 on If A and B together can perform a piece of work in 8 days, A and C together in 9.... If A and B together can perform a piece of work in 8 days, A and C together in 9 days, and B and C in 10 days : how many days would it take each person to perform the same work alone ? Ans. Mathematics - Page 315
by Samuel Webber - 1808 ## Elements of Algebra: Tr. from the French of M. Bourdon

Charles Davies - Algebra - 1835 - 353 pages
...lasted the woman 30 days ; how many days would the man alone be in drinking it ? Ans. 20 days. 20. If A and B together can perform a piece of work in...in 9 days, and B and C in 10 days : how many days would it take each person to perform the same work alone ? Ans. A 14JA days, B 17fa, and C 23JT. 21.... ## First Lessons in Algebra: Being an Easy Introduction to that Science ...

Ebenezer Bailey - Algebra - 1835 - 252 pages
...of the other two, and the third with £ of the other two, shall each be equal to 34. 6. If A and B can perform a piece of work in 8 days, A and C in 9 days, and B and C in 10 days, in how many days can each alone perform the same ,work ? 7. Says... ## A New Introduction to the Science of Algebra...

Silas Totten - Algebra - 1836 - 304 pages
...preceding rules, we shall find #=26, y= 14, z = 8. Therefore A lost 10 shillings, B gained 2, and C 8. 6. If A and B together, can perform a piece of work in...in 10 days, how many days will it take each person alone, to perform the same work ? Let x, y, and z be the number of days in which A, B, and C respectively,... ## An Introduction to Algebra: With Notes and Observations : Designed for the ...

John Bonnycastle - Algebra - 1837 - 282 pages
...one man, he wants 25 to fill up the square ; how many soldiers had he ? Ans. 24000. 36. If A and в together can perform a piece of work in 8 days, A and с together in 9 days, and в and с in 10 days, how many days will it take each person to perform... ## Elements of algebra

Bourdon (Louis Pierre Marie, M.) - Algebra - 1838 - 355 pages
...lasted the woman 30 days ; how many days would the man alone be in drinking it ? Ans. 20 days. 20. If A and B together can perform a piece of work in...in 9 days, and B and C in 10 days : how many days would it take each person to perform the same work alone ? Ans. A 14a.| days, B 17fi, and C 23JT. 21.... ## An Elementary Treatise on Algebra, Theoretical and Practical: With Attempts ...

John Radford Young - Algebra - 1838 - 324 pages
...(62.) QUESTIONS PRODUCING SIMPLE EQUATIONS INVOLVING THREE UNKNOWN QUANTITIES. QUESTION I. If A and В can perform a piece of work in 8 days, A and C together in 9 days, and В and C together in 10 days ; in how many days can each alone perform the same work ? Let the number... ## First Lessons in Algebra, Embracing the Elements of the Science ...

Charles Davies - Algebra - 1839 - 252 pages
...and J of the third, may be all equal to each other. Ans. 8, 12, and 16. 9. If A and B together can do a piece of work in 8 days, A and C together in 9 days, and B and C in ten days ; how many days would it take each to perform the same work alone? ' Ans. A 14f|, B 17ff,... ## An Elementary Treatise on Algebra, in Theory and Practice: With Attempts to ...

John D. Williams - Algebra - 1840 - 605 pages
...284+24=308, whence z=154 ' and, consequently, з? -\- 284 = 24000, the whole number of men. 48. If A and В together can perform a piece of work in 8 days, A and С together in 9 days, and В and С in 10 days, how many days will it take each person to perform... ## Arithmetic: As Taught in the Troy Episcopal Institute

W. F. Walker - Arithmetic - 1841 - 231 pages
...work jointly? Ans. | of a week. (69.) If A and B together can perform a work in 8 days, and A and C in 9 days, and B and C in 10 days, how many days will it take each to perform the work alone ? Ans. A 14f|da.; B 17f?da.; C 23T^da. § 131. 1. Questions very often occur... 